Loom-shuttle.



S'rRAw, a citizen of the .tion, like characters on the WILLIAM PARKER STRAW, OF MANCHESTEIi, NEW HAMPSHIRE.

LOOM-SHUTTLE.

Patented Apr. 1d, 1914.

Application filed July 28, 1913. Serial No. 781,487.

Be it knownv that I, WILLIAM PARKER United States, and resident of Manchester, county of Hillsboro, State of New Improvement in Loom-Shuttles, of which the following description, in connection with they accompanying drawing, is a specificadrawing representing like parts. p "This invention relates to an improvement on United States Letters Patent No. 906,7 48, granted to me Dec. 5, 1908, and Letters Patten No. 1,053,673, granted to me Feb. 18,

1913, wherein a bobbin of the type used in shuttles for automatic filling replenishing looms is arranged to be positioned properly when inserted in the shuttle at the time of filling replenishment.

.As stated in the patents above referred to, one form of bobbin used inshuttles of socalled tfeeler looms is provided with a longitudinal recess or slot in its barreL-over which the filling is VOllHdr When the bobbin is in use the filling is unwound until predetermined exhaustion is obtained.

When the slot is uncovered, the feeling device or a part thereof enters it and the desired change in the operation ofthe loom is. .efiected. Manifestly the slot must be so positionedin the shuttle that it will be directly opposite the feeling device to insure the proper operation of the mechanism, and in my patents aforesaid, I have shown guid-' 1ng means to cooperate with opposite paral- -.lel faces on the bobbin base to insure the correct angular position of the bobbin when presentedto the'holding jaws of the shuttle.

In my present invention I have so mounted the guide members on the jaws that they exert an improved action upon the incomin'g bobbin, in that they are capable of resilient movement in more than a single plane and more readily rotate a misalined bobbin into theprope'r position to be received by the jaws of the shuttle,

Shuttles made in accordance with the -.pres ent invention can be more cheaply constructed and are more easily assembled and repaired than the devices disclosed in the patents above mentioned.

The novel features of the invention'will be" fully described in the subjoining'specification, andparticularly pointed out in the following claims.

Inthe accompanying drawings illustrat- Hampshire, have invented an -tion of the portion of a shuttle and a bobbin embodying my present invention. The-shuttle wall being partly broken away, and the bobbin being shown as about to be transferred to the shuttle. Fig. 2 is a top plan View of the part of the shuttle shown in Fig. 1, the base of the bobbin being shown by dotted lines in the shuttle jaws. Fig. 3 is a longitudinal detailed section on the line 3-3 Fig. 2, showing the manner in which the guides are secured to the holding jaws of the shuttle. Fig. 4 is a transverse section on the line M, Fig. 1 looking toward the left and showing a portion of the hopper which feeds the bobbins in the'shuttle.

1 is the base of the filling carrier or bobbin; 2 the usual rings thereon; 3 the barrel having a longitudinal recess 4 adapted to cooperate with a feeler which is not shown, but which may be of any usual construction.

"The base of the bobbin is so shaped as to present two opposite fiat and parallel faces 5 beyond the rings, and located on the same sides of the bobbin asthe openings of the slot 4. In practice the filling is so wound as to cover the slot 4 until it is woven off to a predetermined extent to permit the feeler, or a part thereof, to enter the slot, hence it is obvious that the bobbin must be properly and accurately positioned when inserted in the shuttle.

The body (3 of the shuttle is of the usual construction, having an opening .7 for the reception of the bobbin and at one end thereof the usual forked spring holding j ans 8. having grooves 9 in their inner faces to engage and hold the rings 2 when the bobbir. is transferred by the feeder from the hopper to the shuttle. An inclined guide 10 like that shown in my previous patents is lo- 'cated between the bases of the jaws, and

serves to direct the bobbin longitudinally into proper position at the time it is inserted in the shuttle.

In Fig. 4 a portion of the bobbin hopper 11 is shown as provided with peripheral pockets 12 having parallel sides 13 to cooperate with the faces '5 of the bobbin end, and properly position them, prior to their transfer to the shuttles. As the bobbins may turn slightly during the transfer from the hopper to the shuttle, guides 15 are provided within the shuttle which will insure the positioning of the bobbin, so that the same will be grasped by the shuttle jaws with the slot 4- opposite the feeler-opening 14 iii theside wall of the shuttle.

In my present invention each guide 15 is made of a flat reversely. curved leaf-spring which is secured by a rivet 16 or other fastener to a holding jaw near its base, and its end 17 made to abut the fork 18 of the said holding jaws 8. The body of the spring is of considerable length and is of substantially the same width as the jaws, but the forward end 19 is broader and projects upwardly a considerable distance above the top of the jaw. The upwardly projecting portion is inclined from its highest point to a point slightlybelow the plane of the top of the jaw and is bent outward or flared as shown at 20 so as to present a smooth curved edge to the bobbin. The flared portion 20 of the projection'l9 extends a considerable distance beyond the plane of the face of the leaf-spring and provides a leverage which when subjected to the pressure of an incoming bobbin causes a twisting movement of the body of the spring in addition to its yielding movement toward the adjacent jaw.

The resilient twisting movement of the guides particularly adapts them to engage the faces of the bobbin end and turn the bobbin into proper angular relation to the guide jaws so that even if the faces 5 of the bobbin are not properly presented when brought into engagementwith the guides, thedatter will operate to correct such improper positionin before the rings 2 are brought into enga bstgt with the jaws, thus the slot 4 will a ay be positioned opposite the feeler opening 4: of the shuttle. The flared ends of the guides also form a smooth cam surface for the engagement of the end of the bobbin, and thereby avoid any abrasion or planing of the wood which occurs when the guides present sharp edges to an improperly presented bobbin. By this construction it is not necessary to use metal caps to cover the bobbin ends and a considerable expense in the manufacture of the bobbins is thereby avoided.

The means for securing the leaf-spring to the shuttle jaws is located near the base of said jaws where there is great strength and rigidity, the shuttle jaws not being cut away or otherwise materially weakened by the means for supporting the guide.

The present construction has, in addition to the advantage above specified, that of be ing more cheaply manufacturedand more easily repaired, since each guide is separate from its companion and is capable of being more easily secured to its shuttle jaw than any of the previous constructions.

Having fully described my invention,

what I claim as new and desire to secure by Letters Patent is A 1. 'In a loom shuttle having spring jaws adapted to engage and hold the rings on the base of a bobbin provided with parallel and flat faces beyond the rings, a pair of flared spring guides extending longitudinally of, and parallel to said jaws, means for securing each guide to a shuttle jaw so that the'same shall be capable of a yielding movement toward said jaw and also of a resilient twisting movement, whereby said guides are adapted to engage the end of the bobbin and rotate and direct the same into proper position between the jaws when the bobbin is inserted in the shuttle.

2. In a loom shuttle having spring jaws adapted to engage and hold the rings 5a; the base of a bobbin provided with opposite parallel and flat faces beyond the rings, resilient guides for the bobbin comprising leaf springs disposed longitudinally of said jaws and secured to the same near their bases, and having upwardly extended inclined and flared ends, whereby said guides are adapted to receive between them said flat faces of the ,bobbin,. and rotate and direct the same into proper position between the jaws when the bobbin is inserted in the shuttle. 3. In a loom shuttle having forked spring jaws adapted to engage and hold the rings on the base of a bobbin provided with parallel and flat surfaces beyond said rings, a pair of resilient guides for the bobbin comprising leaf springs, secured to the respective jaws near their bases, one end of each spring abutting against the fork of said jaws, and the other end of each spring having an upward extension which is inclined and flared outwardly, whereby when a bobbin end is improperly presented said guides are adapted to receive, rotate and direct the bobbin into proper position between the jaws when the bobbin is inserted in the shuttle.

In testimony whereof, I have signed my name to this specification, in the presence of two subscribing witnesses.

WM. PARKER. STRAIV. Witnesses: 

